Tack-pulling machine.



No. 827,962. PATENTED AUG. 7, 1906.

F. GHATEAUNEUIF.

TACK PULLING MACHINE.

APPLICATION FILED JULY 3. 1905.

2 SHEETS-SHEET 1.

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No- 827,962. PATENTED AUG. 7, 1906.

P. UHATBAUNBUF. TACK PULLING MACHINE.

APPLICATION FILED JULY3, 1905.

2 SHEETS-fiHEET 2,

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To all whom it may concern:

Be it known that I, FRANK OHATEAUNEUF, of Haverhill, county of Essex,State of Massachusetts, have invented an Improvement in Tack-PullingMachines, of which the folin connection with the s, is a specification,

accompanying drawin rawmgs representing like characters on the Tinvention relates to that class of machines which are designed to pullout lastingtacks from shoes.

My invention has for its special object to the means for removing thetacks in a macbineof the above character, so that they will be removedunder difiicult conditions and will be effectively. freed from the work,so that they will not be carried into ongagement with; the knives eitherbefore or after'they have been removed.

I accomplish these objects'by the means shown in the accompanyingdrawings, in which- Fi e 1 is a side elevation of the machine providedwith m invention. Fig. 2 is a lan view thereof. ig. 3 is a detail view 0the knife-operating'mechanism. Figs. 4- and 5 are sectional views on theline 3 4 of Fig. 1,

Fig. 4 showing the parts in the retracted posit1on of Fig. 1 and ig. 5showing them in an advanced position. ig. 6 is a side elevation of themain working parts of the machine,

showing them in the position of Fig. 5.

The head a of the machine is provided with a forwardly-extending arm a,and a suitablydriven main shaft b is journaled in said head. Ahorizontally-dis osed knife 0 is secured to the front end of a older 0,which is reciprocally mounted in the front end of the arm a, at t elower side thereof, a connectin -rod 0 being pivoted thereto andconnecte to an eccentric-strap 0 mounted on an eccentric c, secured tothe main shaft 7). A horizontally-disposed bracket (1 is secured to thearm a, and a vertically-dis osed bracket d is secured to the front en ofthe arm (1, to the lower end of which is secured a horizontally disposedknife e, provided with a cutting edge positioned to cooperate with thecutting edge of the knife 0, so that as the knife 0 is reci rocated theywill act as a shear, the kn' e 0 being beveled on the up er side and theknife e on the lower side an the knife 0 %assing close to the upper sideofthe knife 6.

0th cutting edges extend divergently, as shown. In trimming the seam theshoe is Specification of Letters Patent. A Application filed July 3,1905. Serial No. 262.071.

the holder, which limit Patented Aug. '7, 1906.

fed from right to left in a manner which will be obvious;

A lever f which is pivoted at Z on the bracket (1 The upper end ofleve'rff is connected by a link f 3 to the upper end 0 a vertical armmounted on guard f is provided with a vertical work-engp 'ng faceextending obliquely to the edge 0 e e, ing in the path as closely; aspracticable to the path of knife 0. p v ith this arrangement the guardwill be swung rearwardly as the knife is moved forwardly, and the artsare so timed that the face of the guar will always be closely adjacentthe cutting-point of the-knives and will thus act as a sup ort for theprojecting ortion of the seam w 'ch is to be trimmed o so thatsuchportion will be held vertically while it is bein cut, and the dan erof the moving knife ri 'ng over the work when it is dull instead ofcutting it will be to a great extent eliminated. Moreover, after aportion of the guard passes the Cub-- ting-p ward removed out of t e wayof the operator, as mdicated in Fig. 4, so thatthe strip will not in-"terfere with his work.

A pair of guideways a? are provided in the the rear end of holder 0. he.

the lower edge of said face swing- 8o -oint it will continue to movereary and will Ipush back the strip which is right-hand side of thearm'af, and a carrier 9 I is reciprocall mounted between said guideways,suitab e means for-reciprocating said carrier being provided, as theconnecting-rod h, eccentric-strap h and eccentric h, mounted on the mainshaft 1). A downwardly-extending bracket 9 is secured to the carrier 9,and a holder '8 is pivotally connected thereto by means of apivot-bolti. A pair oftackpulling bars 7' and 7c are reciprocally mounted side byside in the holder 6 and at the right of the knives c e and adjacentthereto, the

front ends of said bars being provided with tack-claws j k. S rings mand n are each connected to'the ho der i at'their front ends and attheir rear ends, respectively, to pins 1' k fixed in the sliding bars 7'and is, said springs normally holdin their forward movement in thelatter, as indicated in Fi 3. An arm 0 is connected to the under si e ofthe holder '11, and a linkp is connected at one end to the rear end ofsaid arm and at the other to the front end of a cam-lever g, which is vpivoted at g to the arm a and is provided with said pins against a rollg which rides on a cam g on the I the camleve1:

' a will be engaged by the position of Fig. 1. right to left to trim bythe action of the spring;

.is as f0 lows: The shaft being rotated, the

carrier 9 is caused to reciprocate horizontalliy, ca ing the claw-barsy'and kin the same irectlon.

The cams c and k are set practically coincident, so that knife 0 and.bars 7' and It" advance together. At the same time causes the holder i,and therefore the claw ars, to be tipped in a vertical plane, thusraising and lowering the front ends of the latter. The cams g and h areso timed and formed that the claw-bars-will be advanced when their frontends are.in their lowest position and will be swung upwardly at the endof their forwardmovement and 'then withdrawn in the raised position (seedotted position of Fig. 6) and then lowered again until they arereturned to the initial As the work is fed from off the seam thelastingtacks will be en aged by the bars 7' is before the portions of te shoe in which the are located reach the knives. As a tee is engagedliy the claw in one of the horizontallymoving bars 1' or it the forwardmovement of the bar will be arrested, and then as the claw end of thebar is swung upwardly the tack will be pulled out of the shoe. Theextefii; of the forward movement of the bars is such that their frontends will be carried beyond the point in which the seam is usually held,so that at the time the tack is pulled out the bar which enga es it willbe under more or less tension, an as the bar is free to move forward toits fullest extent as soon as the tack is withdrawn and the bar has beencarried above the seam the tack which has been withdrawn by the bar andis still in engagement therewith will be thrown forward over the seam bythe bar as the bar is shot forward The tack is thus usually thrownentirely es of the shoe, so that the possibility that a tack which hasbeen-removed will lod e'on the seam and n'ives is exceedingly remote. Asthe bars ma yield independently, each may be moved into engagement withtacks set at different distances from the edge of the shoe on the sameforward movement of the bars. The simultaneous withdrawal of two tacksdriven close together at diflerent distances from the edge of the shoeis thus accomplished. 1

In lasting the heel and toe of a shoe the upper is necessarily plaited.and if a single bar of the width of the two bars 9' and 7c were em:-ployed the forward movement thereof would frequently be intercepted byone of the plaits', so that it could not advance sufliciently to engagethe tack; but with my device ifone of the bars is interce ted by a laitthe other bar is still free to arfvance and pass between the plait whichhas engaged the one bar and the adjacent plait, so that it may engageand remove a tack.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1-. A tack-pulling device comprising a plurality of independently andrearwardly yielding tack-engaging devices, and means for moving saidengaging devices forwardl. simultaneously, substantially as describe 2.A tack-pulling device comprising a holder, a Iplurality offorwardly-springpressed tac -engaging devices reci roeal y mounted insaid holder, and means or moving said holder forwardly,substantially asdescribed.

'3. .A tack-pulling device comprisin fa carrier, a holder pivotallyconnected t ereto, means for simultaneously reciprocating said carrierhorizontally and swinging said vertically, and aforwardly-spring-pressed tack-claw reciprocally mounted in said holder,

substantiall as described.

4. A tac -pulling device comprising a holder, a plurality ofhorizontally-disposed bars, each having a tack-claw in its forward endand reciprocally mounted in said holder holder springs for pressing saidbars forwardly, and means for moving said holder to car the forward endsof said bars forwardly an then vertically, substantially as described.

In testimony whereof 'I have signed my name to this specification in thepresence of two subscribing witnesses.'

FRANK CHATEAUNEUF.

Witnesses:

L. H. HARRIMAN H. B. DAvIs.

